/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionRuntimeCellDataSpatialHash.h
virtual void AppendStreamingSourceInfo ( const [FWorldPartitionStreamingSource](API\Runtime\Engine\WorldPartition\FWorldPartitionStreamingSource) & Source, const [FSphericalSector](API\Runtime\Engine\WorldPartition\FSphericalSector) & SourceShape ) const